2004•Chinese Journal of PharmaceuticalsRequires access

Determination of Residual Organic Solvents in Olsalazine Sodiumby Capillary GC with Headspace

Yuan Guo

Abstract

A capillary GC with headspace for determination of residual methanol, chloroform and pyridine inolsalazine sodium was established. A HP-5 capillary column was used with water as the solvent. The average recoveries ofmethanol, chloroform and pyridine were 101.0%(RSD 1.3%), 98.5%(RSD 3.2%) and 97.8%(RSD 1.9%), respectively.The linear range were 4.75～47.5,0.74～7.4 and 2.94～29.4mg/ml, respectively.

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Key concepts: Chemistry, Chloroform, Chromatography, Pyridine, Methanol, Solvent, Capillary action, Residual